The Impact of Interstellar Scintillation on Astrometric VLBI

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dc.contributor.authorJauncey, David
dc.contributor.authorLovell, James
dc.contributor.authorOjha, Roopesh
dc.contributor.authorFey, Alan L.
dc.contributor.authorKoyama, Yasuhiro
dc.contributor.authorBignall, Hayley E.
dc.contributor.authorKedziora-Chudczer, Lucyna
dc.contributor.authorMacquart, Jean-Pierre
dc.contributor.authorRickett, Barney J.
dc.contributor.authorTitov, Oleg
dc.contributor.authorTzioumis, Anastasios K.
dc.date.accessioned2020-03-10T15:33:06Z
dc.date.available2020-03-10T15:33:06Z
dc.date.issued2004
dc.descriptionIVS 2004 General Meeting Proceedingsen_US
dc.description.abstractWe review the evidence demonstrating the interstellar scintillation (ISS) is the principal mechanism responsible for the intra-day variability (IDV) seen at cm wavelengths in many compact, flat-spectrum extra-galactic radio sources. The presence of ISS in a radio source implies the presence of microarcsecond structure in the source. We examine the implications of such compact structure, and suggest that these ultra-compact radio scintillators may form a significant part of the next generation International Celestial Reference Frame (ICRF) sources because of their high level of compactness and positional stability.en_US
dc.description.urihttp://articles.adsabs.harvard.edu/pdf/2004ivsg.conf..109Jen_US
dc.format.extent4 pagesen_US
dc.genreconference papers and proceedingsen_US
dc.identifierdoi:10.13016/m2iufp-qd1d
dc.identifier.citationJauncey, David; Lovell, James; Ojha, Roopesh; Fey, Alan L.; Koyama, Yasuhiro; Bignall, Hayley E.; Kedziora-Chudczer, Lucyna; Macquart, Jean-Pierre; Rickett, Barney J.; Titov, Oleg; Tzioumis, Anastasios K.; The Impact of Interstellar Scintillation on Astrometric VLBI; General Meeting Proceedings, p. 109-112; http://articles.adsabs.harvard.edu/pdf/2004ivsg.conf..109Jen_US
dc.identifier.urihttp://hdl.handle.net/11603/17519
dc.language.isoen_USen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Physics Department Collection
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleThe Impact of Interstellar Scintillation on Astrometric VLBIen_US
dc.typeTexten_US

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